feat(Core/Travel): Port TravelPath::ClipPath; call from MoveFarTo, drop inline clip

src/Ai/World/Rpg/Action/NewRpgBaseAction.cpp

@@ -125,6 +125,12 @@ bool NewRpgBaseAction::MoveFarTo(WorldPosition dest)
     if (onTransport)
         return false;
 
+    // ClipPath — truncate at first hostile creature in range / non-walkable
+    // hop / drifted past reactDistance / > 125 sqDist jump.
+    path.ClipPath(botAI, bot, false);
+    if (path.empty())
+        return false;
+
     // Walk dispatch.
     std::vector<WorldPosition> const& pts = path.getPointPath();
     Movement::PointsArray points;
@@ -164,42 +170,8 @@ bool NewRpgBaseAction::DispatchPathPoints(WorldPosition const& dest,
     for (auto& pt : points)
         bot->UpdateAllowedPositionZ(pt.x, pt.y, pt.z);
 
-    // ClipPath — truncate path at first hostile creature within its
-    // own attack range. Skipped while in combat or dead.
-    if (botAI->GetState() != BOT_STATE_COMBAT && bot->IsAlive())
-    {
-        GuidVector targets = AI_VALUE(GuidVector, "possible targets");
-        if (!targets.empty())
-        {
-            size_t clipAt = points.size();
-            for (size_t i = 0; i < points.size() && clipAt == points.size(); ++i)
-            {
-                for (ObjectGuid const& guid : targets)
-                {
-                    Unit* unit = botAI->GetUnit(guid);
-                    if (!unit || !unit->IsAlive())
-                        continue;
-                    Creature* cre = unit->ToCreature();
-                    if (!cre)
-                        continue;
-                    if (unit->GetLevel() > bot->GetLevel() + 5)
-                        continue;
-                    float range = cre->GetAttackDistance(bot);
-                    float dx = unit->GetPositionX() - points[i].x;
-                    float dy = unit->GetPositionY() - points[i].y;
-                    float dz = unit->GetPositionZ() - points[i].z;
-                    if (dx * dx + dy * dy + dz * dz > range * range)
-                        continue;
-                    if (!unit->IsWithinLOSInMap(bot))
-                        continue;
-                    clipAt = i;
-                    break;
-                }
-            }
-            if (clipAt < points.size() && clipAt + 1 < points.size())
-                points.erase(points.begin() + clipAt + 1, points.end());
-        }
-    }
+    // ClipPath now runs at MoveFarTo level on the TravelPath before the
+    // points array is built. No per-dispatch clip here.
 
     if (points.size() < 2)
         return false;

src/Mgr/Travel/TravelNode.cpp

@@ -956,6 +956,75 @@ bool TravelPath::UpcommingSpecialMovement(WorldPosition startPos,
     return false;
 }
 
+void TravelPath::ClipPath(PlayerbotAI* ai, Unit* mover, bool ignoreEnemyTargets)
+{
+    auto startP = getNextPoint(WorldPosition(mover), 0.0f, false);
+    cutTo(*startP, false);
+
+    if (startP == fullPath.end())
+        return;
+
+    GuidVector targets;
+    Player* bot = ai ? ai->GetBot() : nullptr;
+    if (bot && ai->GetState() != BOT_STATE_COMBAT && !bot->isDead() && !ignoreEnemyTargets)
+        targets = AI_VALUE(GuidVector, "possible targets");
+
+    auto endP = fullPath.end();
+    auto prevP = fullPath.begin();
+    float const reactSq = sPlayerbotAIConfig.reactDistance * sPlayerbotAIConfig.reactDistance;
+
+    for (auto p = fullPath.begin(); p != fullPath.end(); ++p)
+    {
+        // Hostile-target check: stop before walking into a mob that
+        // would aggro. Level-capped (mover->level + 5) so over-level
+        // mobs we'd avoid anyway are ignored.
+        for (ObjectGuid const& targetGuid : targets)
+        {
+            if (!targetGuid.IsCreature())
+                continue;
+            Unit* unit = ai->GetUnit(targetGuid);
+            if (!unit || unit->isDead())
+                continue;
+            if (unit->GetLevel() > mover->GetLevel() + 5)
+                continue;
+            Creature* cre = unit->ToCreature();
+            if (!cre)
+                continue;
+            float const range = cre->GetAttackDistance(mover);
+            if (WorldPosition(unit).sqDistance(p->point) > range * range)
+                continue;
+            if (!unit->IsHostileTo(mover) || !unit->IsWithinLOSInMap(mover))
+                continue;
+
+            endP = p;
+            break;
+        }
+        if (endP != fullPath.end())
+            break;
+
+        // Reject paths that drift past reactDistance from the start —
+        // a sign the path looped or wandered.
+        if (p->point.sqDistance(fullPath.begin()->point) > reactSq)
+            endP = p;
+        // Non-walkable hop in the middle (portal/transport/etc.) terminates.
+        else if (!p->isWalkable())
+            endP = p;
+        // Gap between adjacent points > ~11y (sqDist 125) — likely bad data.
+        else if (p->point.sqDistance(prevP->point) > 125.0f)
+            endP = prevP;
+
+        if (endP != fullPath.end())
+            break;
+
+        prevP = p;
+    }
+
+    if (endP == fullPath.end())
+        return;
+
+    fullPath.erase(std::next(endP), fullPath.end());
+}
+
 bool TravelPath::makeShortCut(WorldPosition startPos, float maxDist, Unit* bot)
 {
     if (GetPath().empty())

src/Mgr/Travel/TravelNode.h

@@ -507,6 +507,13 @@ public:
     // dispatches the matching special-movement handler on the new head.
     bool UpcommingSpecialMovement(WorldPosition startPos, float maxDist, bool onTransport);
 
+    // Truncate the path at the first waypoint that would put the bot in
+    // range of a hostile creature (within attack range, in LOS, level-cap
+    // sane), at a non-walkable hop, after drifting beyond reactDistance
+    // from the start, or across a > 125-sqDist jump. Set ignoreEnemyTargets
+    // to suppress the hostile-target check (used by combat repositioning).
+    void ClipPath(PlayerbotAI* ai, Unit* mover, bool ignoreEnemyTargets = false);
+
     // Reject paths the navmesh accepts but a player can't walk:
     // 2-point shortcut over 5y, or > 10y vertical drop with slope steeper than 2:1.
     static bool IsPathCheating(std::vector<WorldPosition> const& path,